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How to customize your iPhone’s app icons
Add your own icons using the Shortcuts app.
It’s preinstalled; if you can’t see it immediately on your homescreen, swipe left until you’re at the App Library and start typing “Shortcuts” into the top search bar. If you don’t see it, type “Open app” in the search bar and then tap on the button that will show up. If you select the latter, you’ll find, beneath it, several colors and, below that, a large variety of symbols you can use for the new icon.
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